Buffer overflow in Broadcom Tcpreplay
CVE-2019-8381
An issue was discovered in Tcpreplay 4.3.1. An invalid memory access occurs in do_checksum in checksum.c. It can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (63.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.011 · change: +0.000
Affected products
- Broadcom Tcpreplay — versions 4.3.1
- Fedoraproject Fedora — versions 28, 29, 30
Weakness classification (CWE)
References
- github.com/appneta/tcpreplay/issues/538 (Exploit, Third Party Advisory, Issue Tracking)
- research.loginsoft.com/bugs/invalid-memory-access-vulnerability-in-function-do_… (Exploit, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2019-8381?
- CVE-2019-8381 is a high-severity vulnerability in Broadcom Tcpreplay, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2019-02-17.
- How severe is CVE-2019-8381?
- High severity. CVSS v3 base score is 7.8 out of 10.